421143314 has 4 divisors (see below), whose sum is σ = 631714974. Its totient is φ = 210571656.

The previous prime is 421143313. The next prime is 421143319. The reversal of 421143314 is 413341124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 346890625 + 74252689 = 18625^2 + 8617^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 421143314.

It is not an unprimeable number, because it can be changed into a prime (421143313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105285827 + ... + 105285830.

Almost surely, 2^421143314 is an apocalyptic number.

421143314 is a deficient number, since it is larger than the sum of its proper divisors (210571660).

421143314 is a wasteful number, since it uses less digits than its factorization.

421143314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210571659.

The product of its digits is 1152, while the sum is 23.

The square root of 421143314 is about 20521.7765800137. The cubic root of 421143314 is about 749.5661573855.

Adding to 421143314 its reverse (413341124), we get a palindrome (834484438).

The spelling of 421143314 in words is "four hundred twenty-one million, one hundred forty-three thousand, three hundred fourteen".